12499732 has 24 divisors (see below), whose sum is σ = 25474176. Its totient is φ = 5255328.

The previous prime is 12499699. The next prime is 12499733. The reversal of 12499732 is 23799421.

It is a junction number, because it is equal to n+sod(n) for n = 12499691 and 12499700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (1061424).

Almost surely, 2^12499732 is an apocalyptic number.

It is an amenable number.

12499732 is an abundant number, since it is smaller than the sum of its proper divisors (12974444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12499732 is a wasteful number, since it uses less digits than its factorization.

12499732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487 (or 8485 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 12499732 is about 3535.4960048061. The cubic root of 12499732 is about 232.0777830744.

It can be divided in two parts, 12499 and 732, that added together give a palindrome (13231).

The spelling of 12499732 in words is "twelve million, four hundred ninety-nine thousand, seven hundred thirty-two".